./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2017793517 <...> Warning: Permanently added '10.128.1.6' (ED25519) to the list of known hosts. execve("./syz-executor2017793517", ["./syz-executor2017793517"], 0x7ffda39e4390 /* 10 vars */) = 0 brk(NULL) = 0x55557e54b000 brk(0x55557e54bd00) = 0x55557e54bd00 arch_prctl(ARCH_SET_FS, 0x55557e54b380) = 0 set_tid_address(0x55557e54b650) = 5221 set_robust_list(0x55557e54b660, 24) = 0 rseq(0x55557e54bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2017793517", 4096) = 28 getrandom("\xc0\xef\x99\xcc\xea\x8c\xed\x5a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557e54bd00 brk(0x55557e56cd00) = 0x55557e56cd00 brk(0x55557e56d000) = 0x55557e56d000 mprotect(0x7f2d306f5000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("./syzkaller.Nz5VqD", 0700) = 0 chmod("./syzkaller.Nz5VqD", 0777) = 0 chdir("./syzkaller.Nz5VqD") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5222 attached , child_tidptr=0x55557e54b650) = 5222 [pid 5222] set_robust_list(0x55557e54b660, 24) = 0 [pid 5222] chdir("./0") = 0 [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5222] setpgid(0, 0) = 0 [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "1000", 4) = 4 [pid 5222] close(3) = 0 [pid 5222] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5222] write(1, "executing program\n", 18) = 18 [pid 5222] memfd_create("syzkaller", 0) = 3 [pid 5222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2d28200000 [pid 5222] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5222] munmap(0x7f2d28200000, 138412032) = 0 [pid 5222] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5222] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5222] close(3) = 0 [pid 5222] close(4) = 0 [pid 5222] mkdir("./file0", 0777) = 0 [pid 5222] mount("/dev/loop0", "./file0", "jfs", MS_REC, "") = 0 [pid 5222] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5222] chdir("./file0") = 0 [pid 5222] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 62.232857][ T5222] loop0: detected capacity change from 0 to 32768 [pid 5222] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 5222] creat("./bus", 000) = 5 [pid 5222] ftruncate(5, 2048) = 0 [pid 5222] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW) = 6 [pid 5222] sendfile(5, 6, NULL, 63488) = 2048 [ 62.303592][ T29] audit: type=1804 audit(1726104706.899:2): pid=5222 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor201" name="/root/syzkaller.Nz5VqD/0/file0/bus" dev="loop0" ino=7 res=1 errno=0 [ 62.310893][ T5222] ERROR: (device loop0): dbAdjCtl: the maximum free buddy is not the old root [ 62.310893][ T5222] [pid 5222] ioctl(4, FITRIM, {start=0x1, len=4760810514716670597, minlen=0}) = 0 [pid 5222] exit_group(0) = ? [pid 5222] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5222, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [ 62.325726][ T29] audit: type=1800 audit(1726104706.899:3): pid=5222 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor201" name="bus" dev="loop0" ino=7 res=0 errno=0 [ 62.337585][ T5222] ERROR: (device loop0): remounting filesystem as read-only restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55557e54c6f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 62.428984][ T5221] ------------[ cut here ]------------ [ 62.434598][ T5221] kernel BUG at fs/jfs/inode.c:169! [ 62.439990][ T5221] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 62.446946][ T5221] CPU: 0 UID: 0 PID: 5221 Comm: syz-executor201 Not tainted 6.11.0-rc7-syzkaller-00021-g7c6a3a65ace7 #0 [ 62.458033][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 62.468067][ T5221] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 62.473601][ T5221] Code: df e8 90 45 d8 fe e9 1d fe ff ff e8 76 22 74 fe 48 c7 c7 a0 3e b4 8e 4c 89 ee e8 97 56 c4 01 e9 92 fd ff ff e8 5d 22 74 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 62.493191][ T5221] RSP: 0018:ffffc90003497998 EFLAGS: 00010293 [ 62.499242][ T5221] RAX: ffffffff831f6a03 RBX: ffff888075ca09f0 RCX: ffff88807b075a00 [ 62.507192][ T5221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888075ca0d68 [ 62.515139][ T5221] RBP: ffffc90003497b10 R08: ffffffff822cb523 R09: 1ffffffff27f4d21 [ 62.523111][ T5221] R10: dffffc0000000000 R11: ffffffff831f4770 R12: ffff888075ca0d68 [ 62.531062][ T5221] R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888075ca0d68 [ 62.539009][ T5221] FS: 000055557e54b380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 62.547918][ T5221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.554480][ T5221] CR2: 00007fffeae3df98 CR3: 000000002956c000 CR4: 00000000003506f0 [ 62.562450][ T5221] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.570421][ T5221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.578411][ T5221] Call Trace: [ 62.581675][ T5221] [ 62.584587][ T5221] ? __die_body+0x88/0xe0 [ 62.588920][ T5221] ? die+0xcf/0x110 [ 62.592708][ T5221] ? do_trap+0x15a/0x3a0 [ 62.596932][ T5221] ? jfs_evict_inode+0x434/0x440 [ 62.601850][ T5221] ? do_error_trap+0x1dc/0x2c0 [ 62.606593][ T5221] ? jfs_evict_inode+0x434/0x440 [ 62.611508][ T5221] ? __pfx_do_error_trap+0x10/0x10 [ 62.616598][ T5221] ? handle_invalid_op+0x34/0x40 [ 62.621514][ T5221] ? jfs_evict_inode+0x434/0x440 [ 62.626426][ T5221] ? exc_invalid_op+0x38/0x50 [ 62.631090][ T5221] ? asm_exc_invalid_op+0x1a/0x20 [ 62.636114][ T5221] ? __pfx_jfs_get_dquots+0x10/0x10 [ 62.641593][ T5221] ? dquot_drop+0x43/0x160 [ 62.645993][ T5221] ? jfs_evict_inode+0x433/0x440 [ 62.650908][ T5221] ? jfs_evict_inode+0x434/0x440 [ 62.655825][ T5221] ? jfs_evict_inode+0x433/0x440 [ 62.660743][ T5221] ? __pfx_jfs_evict_inode+0x10/0x10 [ 62.666004][ T5221] evict+0x532/0x950 [ 62.669882][ T5221] ? __pfx_evict+0x10/0x10 [ 62.674274][ T5221] ? do_raw_spin_unlock+0x13c/0x8b0 [ 62.679469][ T5221] ? list_lru_del_obj+0x3b5/0x400 [ 62.684499][ T5221] evict_inodes+0x5f9/0x690 [ 62.689010][ T5221] ? __pfx_evict_inodes+0x10/0x10 [ 62.694039][ T5221] ? dput+0x37/0x2b0 [ 62.697918][ T5221] generic_shutdown_super+0x9d/0x2d0 [ 62.703185][ T5221] kill_block_super+0x44/0x90 [ 62.707844][ T5221] deactivate_locked_super+0xc4/0x130 [ 62.713195][ T5221] cleanup_mnt+0x41f/0x4b0 [ 62.717590][ T5221] ? lockdep_hardirqs_on+0x99/0x150 [ 62.722793][ T5221] task_work_run+0x24f/0x310 [ 62.727393][ T5221] ? __pfx_task_work_run+0x10/0x10 [ 62.732506][ T5221] ? path_umount+0x284/0xf70 [ 62.737097][ T5221] ptrace_notify+0x2d2/0x380 [ 62.741676][ T5221] ? __pfx_path_umount+0x10/0x10 [ 62.746616][ T5221] ? __pfx_ptrace_notify+0x10/0x10 [ 62.751710][ T5221] ? __x64_sys_umount+0x123/0x170 [ 62.756715][ T5221] ? __pfx___x64_sys_umount+0x10/0x10 [ 62.762065][ T5221] syscall_exit_work+0xc6/0x190 [ 62.766897][ T5221] syscall_exit_to_user_mode+0x279/0x370 [ 62.772511][ T5221] do_syscall_64+0x100/0x230 [ 62.777089][ T5221] ? clear_bhb_loop+0x35/0x90 [ 62.781745][ T5221] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.787632][ T5221] RIP: 0033:0x7f2d3067d487 [ 62.792036][ T5221] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 62.811636][ T5221] RSP: 002b:00007fffeae3e168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 62.820035][ T5221] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2d3067d487 [ 62.828003][ T5221] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffeae3e220 [ 62.835974][ T5221] RBP: 00007fffeae3e220 R08: 0000000000000000 R09: 0000000000000000 [ 62.843941][ T5221] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fffeae3f290 [ 62.851990][ T5221] R13: 000055557e54c6c0 R14: 431bde82d7b634db R15: 00007fffeae3f2b0 [ 62.859951][ T5221] [ 62.862948][ T5221] Modules linked in: [ 62.866924][ T5221] ---[ end trace 0000000000000000 ]--- [ 62.872384][ T5221] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 62.877981][ T5221] Code: df e8 90 45 d8 fe e9 1d fe ff ff e8 76 22 74 fe 48 c7 c7 a0 3e b4 8e 4c 89 ee e8 97 56 c4 01 e9 92 fd ff ff e8 5d 22 74 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 62.898009][ T5221] RSP: 0018:ffffc90003497998 EFLAGS: 00010293 [ 62.904112][ T5221] RAX: ffffffff831f6a03 RBX: ffff888075ca09f0 RCX: ffff88807b075a00 [ 62.912162][ T5221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888075ca0d68 [ 62.920162][ T5221] RBP: ffffc90003497b10 R08: ffffffff822cb523 R09: 1ffffffff27f4d21 [ 62.928177][ T5221] R10: dffffc0000000000 R11: ffffffff831f4770 R12: ffff888075ca0d68 [ 62.936186][ T5221] R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888075ca0d68 [ 62.944145][ T5221] FS: 000055557e54b380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 62.953123][ T5221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.959733][ T5221] CR2: 00007fffeae3df98 CR3: 000000002956c000 CR4: 00000000003506f0 [ 62.967741][ T5221] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.975743][ T5221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.983696][ T5221] Kernel panic - not syncing: Fatal exception [ 62.989970][ T5221] Kernel Offset: disabled [ 62.994278][ T5221] Rebooting in 86400 seconds..